Re: [RESEND][PATCH 1/4] of: platform: populate /firmware/ node from of_platform_default_populate_init()

[Frank Rowand <frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

+ me

On 09/28/17 03:45, Sudeep Holla wrote:
> Since "/firmware" does not have its own "compatible" property as it's
> just collection of nodes representing firmware interface, it's sub-nodes
> are not populated during system initialization.
> 
> Currently different firmware drivers search the /firmware/ node and
> populate the sub-node devices selectively. Instead we can populate
> the /firmware/ node during init to avoid more drivers continuing to
> populate the devices selectively.
> 
> To generalize the solution this patch populates the /firmware/ node
> explicitly from of_platform_default_populate_init().
> 
> Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
> Cc: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Signed-off-by: Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>
> ---
>  drivers/of/platform.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/of/platform.c b/drivers/of/platform.c
> index ac15d0e3d27d..3a213a6aee89 100644
> --- a/drivers/of/platform.c
> +++ b/drivers/of/platform.c
> @@ -515,6 +515,10 @@ static int __init of_platform_default_populate_init(void)
>  			of_platform_device_create(node, NULL, NULL);
>  	}
>  
> +	node = of_find_node_by_path("/firmware");
> +	if (node)
> +		of_platform_populate(node, NULL, NULL, NULL);
> +
>  	/* Populate everything else. */
>  	of_platform_default_populate(NULL, NULL, NULL);
>  
> 

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